Edge request validation and filtering

Author: RobFaustLZ

package.json

@@ -1,6 +1,6 @@
 {
   "name": "labelzoom-cf-api-proxy",
-  "version": "1.0.9",
+  "version": "1.0.10",
   "private": true,
   "scripts": {
     "deploy": "wrangler deploy",

src/index.ts

@@ -91,6 +91,11 @@ async function proxyRequestToBackend(request: Request, url: URL, env: Env, reque
 export default {
     async fetch(request, env, ctx): Promise<Response> {
         const url = new URL(request.url);
+        
+        // Edge request validation and filtering
+        if (url.pathname.startsWith('/api/v2/')) {
+            if (request.headers.get('Content-Type')?.toLowerCase().startsWith('multipart/form-data')) return Response.json({message:"multipart/form-data is not supported. Please see our API documentation at https://api.labelzoom.net/api"}, { status: 400 });
+        }
 
         // API modifiers
         if (url.pathname.startsWith('/api/')) {